Pluto's Orbit is Surprisingly Unstable universetoday storybywill
Jupiter, Saturn, and Neptune New Horizons trajectory and the orbits of Pluto and 2014 MU69.
To simplify these calculations, Dr. Malhotra and Ito collapsed these into a single parameter by introducing some simplifications. This included representing each planet with a circular ring of uniform density, a total mass equal to the planet’s, and a ring radius equal to the planet’s average distance from the Sun . As Dr. Malhotra indicated, this yielded a single parameter representing the effect of Jupiter, Saturn, and Uranus , which was equivalent to the effect of an “oblate Sun.
These results are likely to have significant implications for future studies of the outer Solar System and its orbital dynamics. With further study, Dr. Malhotra believes that astronomers will learn more about the migration history of the giant planets and how they eventually settled into their current orbits. It could also lead to the discovery of a novel dynamical mechanism that will explain the origins of Pluto’s orbit and other bodies with high orbital inclinations.
France Dernières Nouvelles, France Actualités
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